At 16:00 UTC (12 noon, EST) on October 8 2017, midway across the Atlantic Ocean, Earth’s magnetic field strength dropped to 0. Had we just made an exciting new discovery? Was this evidence of an imminent geomagnetic reversal? Was a mysterious lump of magnetite on the seafloor cancelling out the ambient field?…or did the magnetometer … Continue reading SCARF 2017: A modern-day transatlantic crossing